Everything so far Flashcards
1
Q
What is the volume of an empty stomach?
A
50ml
2
Q
What is the volume of a full stomach?
A
1.5L (with little increase in luminal pressure needed)
3
Q
How much water is input into the GI tract each day?
A
9000ml
4
Q
How much water is ingested and secreted each day?
A
Ingested: 2L Stomach: 2.5L Salivary glands: 1.5L Pancreatic: 1.5L Intestinal: 1L Bile: 0.5L
5
Q
How much water is reabsorbed each day and where from?
A
8800ml
Ilium: 2L
Jejunum: 5.5L
Colon: 1.3L
6
Q
How much water is excreted in stools each day?
A
200ml
7
Q
Why do only small amounts of water move across the gastric mucosa?
A
Because of the high osmotic load of secreted HCl
8
Q
PH of gastric juice?
A
2
9
Q
What protein does pepsin have an affinity for?
A
Collagen
10
Q
Where does the common bile duct enter the duodenum?
A
The 2nd part
11
Q
What are the dermatomes of the anterior abdominal wall?
A
T6-T12
T10 is round the umbilicus
